Home / 173,272-275,680

Finding the Third Proportional to 173,272 and 275,680

Calculator

Solution

The third proportional to 173,272 and 275,680 is: 438,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272 : 275,680 = 275,680 : x
  2. Step 2: Convert to fraction form
    173,272/275,680 = 275,680/x
  3. Step 3: Cross multiply
    173,272x = 275,680 × 275,680
  4. Step 4: Simplify right side
    173,272x = 75,999,462,400
  5. Step 5: Solve for x
    x = 75,999,462,400/173,272
  6. Step 6: Final answer
    x = 438,613.64

Related Problems

Find third proportional to 86,636 and 137,840
Half scale
Find third proportional to 346,544 and 551,360
Double scale
Find third proportional to 173,274 and 275,683
Similar ratio
Find third proportional to 259,908 and 413,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.